Pycnodus toliapicus

There are a number of specimens known of this species of Pycnodus which a number represented in the collection of the Natural History Museum, London – most notably a matching pair of lower jaw splenials.

Distinguishing Characteristics:

Multiple rows to crushing teeth which are rounded and elongated (1)
Each tooth features a flattened surface with gently rounded edges (2)
Marginal teeth reduce in size and become more rounded in shape with some pitting and texture. The second column of teeth measures about 50% of the size of the largest teeth which differs from P.bowerbanki which remains more elongated and about 75% of the length of the largest teeth (3)

Primary Example: NHMUK PV OR 38826

3D Scan: Holotype NHMUK PV OR 38825

3D scans undertaken by Tom Sermon with permission. From the collections of the Natural History Museum, London

Primary Example: NHMUK PV P 4721

References

Casier, E. (1966) Fauna ichthyologique du London Clay. British Museum Natural History London, 1966, 1-496
Monsch, K (2005) Revision of the scombroid fishes from the Cenozoic of England
Raynor, Mitchell, Clouter (2009) London Clay Fossils of Kent and Essex